Ciba-geigy Corporation

Ciba Specialty Chemicals Corporation

Claudia Carisch

Athanassios Tzikas

Paul Herzig

Anton Andreoli

Reactive dyes of the formula ##STR1## in which K and Z are as defined in claim 1, are suitable in particular for the dyeing and printing of cellulose-containing fibre material and produce dyeings and prints having good fastness properties in high coloristic yield.

Monoazo dyes having a fiber-reactive 2-vinylsulfonyl-5-sufoaniline diazo

Reactive dyes of formula ##STR1## wherein Z is a group of formula --CH.dbd.CH.sub.2 or --CH.sub.2 --CH.sub.2 --Y, and Y is a leaving group, and K is a radical of formula ##STR2## wherein X is a radical of formula --(CH.sub.2).sub.n --Cl, ##STR3## or --CH.dbd.CH.sub.2 ; Hal is halogen; and n is 1, 2, 3 or 4; R is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl; R.sub.1 is amino or hydroxyl; R.sub.2 is methyl or carboxyl; and R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, halogen or carboxyl, are particularly suitable for dyeing or printing cellulosic fibre materials or natural or synthetic polyamide fibre materials in high tinctorial yield, and give dyeings and printings with good fastness properties.

Reactive dyes, process for their preparation and the use thereof

Fiber reactive disazo dyes having a 2-vinylsulfonyl-5-sulfoaniline diazo

Reactive dyes of formula ##STR1## wherein Z is a group of formula --CH.dbd.CH.sub.2 or --CH.sub.2 --CH.sub.2 --Y, and Y is a leaving group, and K is a radical of formula ##STR2## wherein X is a radical of formula ##STR3## Hal is halogen; and n is 1, 2, 3 or 4; R is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl; R.sub.1 is amino or hydroxyl; R.sub.2 is methyl or carboxyl; and R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, halogen or carboxyl, are particularly suitable for dyeing or printing cellulosic fiber materials or natural or synthetic polyamide fiber materials in high tinctorial yield, and give dyeings and printings with good fastness properties.

Reactive dyes of formula ##STR1## wherein X, Z, R.sub.1, R.sub.2, R.sub.3, R.sub.4 and m are as defined in claim 1, are particularly suitable for dyeing or printing cellulosic fiber materials or natural or synthetic polyamide fiber materials in high tinctorial yield, and give dyeings and prints with good fastness properties.

Reactive dyes containing a vinylsulfonyl-substituted 2-aminonaphthalene

Reactive dyes of the formula ##STR1## in which D, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined in claim 1, are particularly suitable for dyeing or printing cellulosic fiber materials or naturally occurring or synthetic polyamide fiber materials with a high tinctorial yield, and produce dyeings and prints having good fastness properties.

Reactive dyes containing a 2,6-diaminopyridine coupling component

Dye mixtures which comprise a reactive dye of the formula ##STR1## together with at least one reactive dye of the formulae ##STR2## in which D, D', R.sub.1, R.sub.2, R.sub.3, R.sub.3 ' and B are as defined in claim 1, are particularly suitable for dyeing or printing cellulosic fibre materials or naturally occurring or synthetic polyamide fibre materials with a high tinctoffal yield, and produce dyeings and prints having good fastness properties.

Dye mixtures, processes for their preparation and their use

Reactive dyes of the formula ##STR1## in which K and Z are as defined in the disclosure, are suitable in particular for the dyeing and printing of cellulose-containing fibre material and produce dyeings and prints having good fastness properties in high coloristic yield.

Growing community of inventors

Reinach, Switzerland

Claudia Carisch